Dewalt Accessories DW8424 Cutting Wheel 4.5in 25 Pack

Product Description

The DEWALT ACCESSORIES DW8424 is a thin-kerf Type 1 cutoff wheel engineered for aggressive cutting on metal. Measuring 4.5 inches in diameter, 0.045 inches thick, and 0.875 inches arbor bore, this wheel uses Temper Point abrasive grains that retain sharpness longer than standard grains, reducing the frequency of wheel changes during production work. Two layers of fiberglass reinforcement bonded into the resin matrix provide structural integrity under lateral stress. Superior adhesion between the coated grains and resin binder maintains a consistent cutting edge from first cut to last. Each pack contains 25 wheels, making it practical for shop stocking or job-site replenishment.

These wheels are suited for cutting carbon steel, stainless steel, and nickel-based alloys in fabrication shops, maintenance environments, and field service applications. The 0.045-inch profile minimizes material loss and heat buildup at the cut zone, which matters when working with stainless or nickel alloys where heat-affected zones affect surface integrity. Licensed electricians, pipefitters, ironworkers, HVAC sheet-metal mechanics, and general maintenance technicians are the typical end users running these wheels on 4.5-inch angle grinders.

Key Features

• Temper Point abrasive grains maintain sharpness for extended wheel life compared to conventional grain blends
• 0.045-inch thin profile reduces kerf width and minimizes heat input at the cut
• Two-sheet fiberglass reinforcement resists breakage under load
• High grain concentration supports aggressive cutting action on hard alloys
• Compatible with standard 0.875-inch arbor angle grinders
• Sold in a 25-pack for efficient job-site and shop stocking

Compatibility

Designed for use on 4.5-inch angle grinders with a 0.875-inch arbor accepting Type 1 flat cutting wheels. Rated for carbon steel, stainless steel, and nickel-based alloys.

Installation Notes

Cutoff wheels must be installed and operated by personnel familiar with ANSI B7.1 safe-use requirements for abrasive wheels. Inspect each wheel for cracks or chips before mounting — never use a damaged wheel. Ensure the grinder guard is in place and the spindle speed does not exceed the maximum RPM marked on the wheel. Wear appropriate PPE including a face shield, gloves, and hearing protection during operation.